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Performance CheckICalibration-314 Service
CALIBRATION
PROCEDURE
CALIBRATION INTERVAL
4. Adjust .5 V Calibrator Signal Page 5-19
Display
1. Adjust Intensity Limit
To maintain instrument accuracy, check thecalibration
of the 314 about every 1000 operating hours, or every
6
months if used infrequently. Before complete calibration,
thoroughly clean and inspect the instrument as outlined in
the Maintenance section.
Page 5-20
2. Adjust Astigmatism Page 5-20
3. Adjust Trace Rotation Page 5-20
TEKTRONIX FIELD SERVICE
4. Adjust Geometry Page 5-20
5. Adjust Holdoff (SN 300001-300199) Page 5-21
Storage
1. Adjust Operating Level Page 5-22
Tektronix Inc. Field Service Centers and Factory
Service Centers provide instrument recalibration services.
Contact a Tektronix Field Office or representative for
further information.
2. Adjust Collimation Page 5-23
USING THIS PROCEDURE
3. Adjust High-Voltage Compensation Page 5-23
Vertical System
Index
To aid in locating Calibration procedure steps, an index
precedes the Calibration procedure.
1. Adjust CH
1
Step Atten Balance and Page 5-24
Volts/Div Balance
2. Adjust CH 2 Step Atten Balance and Page 5-24
Volts/Div Balance
Calibration Procedure
Completion of each step of the Calibration procedure
ensures that the instrument is correctly adjusted and
performs within tolerances given in the Performance
Requirements in the Specification (Section 1). For best
overall performance, when performing acompletecalibra-
tion, make each adjustment to the exact setting indicated.
3.
Adjust Limit Centering Page 5-25
4. Adjust Deflection Plate DC Level Page 5-25
5. Adjust CH 2 Limit Centering Page 5-25
6.
Adjust Add Deflection Plate DC Level Page 5-25
Partial Procedure
7. Adjust CH 1 Gain Page 5-26
A partial calibration may be desirable after component
replacement, or to "touch up" a portion of the adjustments
between major recalibrations. To adjust only part of the
instrument, refer to the Equipment Required list that
precedes that portion to be performed. To avoid un-
necessary readjustment of other parts, readjust only if the
step is out of tolerance. If readjustment is necessary,
recheck any steps listed under INTERACTION.
8. Adjust CH 2 Gain Page 5-26
9. Adjust and Check
Volts/Div Page 5-26
Compensation
10. Adjust CH 1 and CH 2 High Frequency
Page 5-27
Compensation
Horizontal System
1. Adjust Timing and Variable
INDEX TO
ADJUSTMENT PROCEDURE
Page 5-28
2. Adjust High-speed Timing Page 5-28
Power Supply and Calibrator
1. Adjust +12-volt Supply Page 5-18
3. Adjust Magnifier Registration Page 5-28
4. Adjust External Horizontal Balance Page 5-29
2. Adjust High-Voltage Supply Page 5-18
5. Adjust External
10X Attenuator Page 5-29
Compensation
3. Adjust Regulator Turn-off Level Page 5-18
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5-17
REV
A,
SEP
1978
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